St Patrick’s Day

World Sleep Day

Birthdays for actor Kurt Russell (1951), Billy Corgan (1967) and Grimes (1988) 

Anniversary of:

• the deaths of Roman Emperor Marcus Aurelius (180) and Saint Patrick (461)
• Edward the Black Prince being made Duke of Cornwall, the first Duchy made in England (1337)
• the patenting of the rubber band and self-raising flour (1845)
• Albert Einstein finishing his scientific paper detailing his Quantum Theory of Light, one of the foundations of modern physics (1905)